User equipment for triggering measurement report and method of its operation

Abstract

A User Equipment (UE) apparatus for use in a cellular wireless communications network, and method for its operation, are provided. The apparatus includes a measuring unit for measuring signals received from at least one of a serving cell of the network and from neighboring cells, a memory for storing information defining a plurality of conditions for triggering the UE to send a measurement report to the network, the measurement report comprising a result of at least one measurement performed by the UE, a determining unit for determining when one of the plurality of conditions is met, and a sending unit for sending, in response to one of the plurality of conditions being met, a measurement report for reception by the network, wherein each of the plurality of conditions is defined by a respective plurality of at least one of parameters and variables.

1. A User Equipment (UE) for use in a cellular wireless communications network, the UE comprising:
 a measuring unit for measuring signals received from at least one of a serving cell of a network and neighboring cells; 
 a memory for storing information defining a plurality of conditions for triggering the UE to send a measurement report to the network, the measurement report comprising a result of at least one measurement performed by the UE; 
 a determining unit for determining when one of the plurality of conditions is met; and 
 a sending unit for sending, in response to one of the plurality of conditions being met, the measurement report, 
 wherein each of the plurality of conditions is defined by at least:
 a result of a measurement of a signal received from the serving cell; 
 a threshold parameter; 
 at least one offset value associated with the serving cell; and 
 at least one offset value associated with a serving frequency. 
 
 
     
     
       2. The UE of  claim 1 , further comprising:
 a receiving unit for receiving the information from the network. 
 
     
     
       3. The UE of  claim 1 , wherein the plurality of conditions comprises a condition defined by at least one of:
     Ms+Ofs+Ocs−Hys>Thresh;    
     Ms+Ofs+Ocs+Hys<Thresh;    
     Ms+Ofs+Ocs+Hys<Thresh;    
     Ms+Ofs+Ocs−Hys>Thresh;    
   ( Ms+Ofs+Ocs+Hys<Thresh 1) AND ( Mn+Ofn+Ocn−Hys>Thresh 2); 
   ( Ms+Ofs+Ocs−Hys>Thresh 1) OR ( Mn+Ofn+Ocn+Hys<Thresh 2); 
   ( Ms+Ofs+Ocs+Hys<Thresh 1) AND ( Mn+Ofn−Hys>Thresh 2); 
   and 
   ( Ms+Ofs+Ocs−Hys>Thresh 1) OR ( Mn+Ofn+Hys<Thresh 2), 
 and wherein, 
 Ms denotes a measurement result of the serving cell, 
 Mn denotes a measurement result of a neighboring cell, 
 Ofn denotes a frequency specific offset of a frequency of the neighboring cell, 
 Ocn denotes a cell specific offset of the neighboring cell, 
 Ofs denotes a frequency specific offset of the serving frequency, 
 Ocs denotes a cell specific offset of the serving cell, 
 Hys denotes a hysteresis parameter for a respective event, 
 Off denotes an offset parameter for the respective event, 
 Thresh denotes a threshold parameter for the respective event, 
 Thresh1 denotes a threshold parameter for the respective event, and 
 Thresh2 denotes a threshold parameter for the respective event. 
 
     
     
       4. A method of operating User Equipment (UE) adapted for use in a cellular wireless telecommunications network, the method comprising:
 measuring signals received from at least one of a serving cell of a network and neighboring cells; 
 storing information that defines a plurality of conditions for triggering the UE to send a measurement report to the network, the measurement report comprising a result of at least one measurement performed by the UE; 
 determining when one of the plurality of conditions is met; and 
 in response to one of the plurality of conditions being met, sending the measurement report, 
 wherein each of the plurality of conditions is defined by at least:
 a result of a measurement of a signal received from the serving cell; 
 a threshold parameter; 
 at least one offset value associated with the serving cell; and 
 at least one offset value associated with a serving frequency. 
 
 
     
     
       5. The method of  claim 4 , further comprising:
 receiving the information from the network. 
 
     
     
       6. The method of  claim 4 , wherein the plurality of conditions comprises a condition defined by at least one of:
     Ms+Ofs+Ocs−Hys>Thresh;    
     Ms+Ofs+Ocs+Hys<Thresh;    
     Ms+Ofs+Ocs+Hys<Thresh;    
     Ms+Ofs+Ocs−Hys>Thresh;    
   ( Ms+Ofs+Ocs+Hys<Thresh 1) AND ( Mn+Ofn+Ocn−Hys>Thresh 2); 
   ( Ms+Ofs+Ocs−Hys>Thresh 1) OR ( Mn+Ofn+Ocn+Hys<Thresh 2); 
   ( Ms+Ofs+Ocs+Hys<Thresh 1) AND ( Mn+Ofn−Hys>Thresh 2); and 
   ( Ms+Ofs+Ocs−Hys>Thresh 1) OR ( Mn+Ofn+Hys<Thresh 2), 
 wherein, 
 Ms denotes a measurement result of the serving cell, 
 Mn denotes a measurement result of a neighboring cell, 
 Ofn denotes a frequency specific offset of a frequency of the neighboring cell, 
 Ocn denotes a cell specific offset of the neighboring cell, 
 Ofs denotes a frequency specific offset of the serving frequency, 
 Ocs denotes a cell specific offset of the serving cell, 
 Hys denotes a hysteresis parameter for a respective event, 
 Off denotes an offset parameter for the respective event, 
 Thresh denotes a threshold parameter for the respective event, 
 Thresh1 denotes a threshold parameter for the respective event, and 
 Thresh2 denotes a threshold parameter for the respective event. 
 
     
     
       7. A method of operating User Equipment (UE) adapted for use in a cellular wireless telecommunications network, the method comprising:
 measuring signals received from at least one of a serving cell of a network and neighboring cells; 
 storing information that defines a plurality of conditions for triggering the UE to send a measurement report to the network, each condition being associated with a respective event, and the measurement report comprising a result of at least one measurement performed by the UE; 
 determining when one of the plurality of conditions is met; and 
 in response to one of the plurality of conditions being met, sending the measurement report, 
 wherein, the plurality of conditions include at least one of:
     Ms+Ofs+Ocs−Hys>Thresh;    
     Ms+Ofs+Ocs+Hys<Thresh;    
     Ms+Ofs+Ocs+Hys<Thresh;    
     Ms+Ofs+Ocs−Hys>Thresh;    
   ( Ms+Ofs+Ocs+Hys<Thresh 1) AND ( Mn+Ofn+Ocn−Hys>Thresh 2); 
   ( Ms+Ofs+Ocs−Hys>Thresh 1) OR ( Mn+Ofn+Ocn+Hys<Thresh 2); 
   ( Ms+Ofs+Ocs+Hys<Thresh 1) AND ( Mn+Ofn−Hys>Thresh 2); and 
   ( Ms+Ofs+Ocs−Hys>Thresh 1) OR ( Mn+Ofn+Hys<Thresh 2), 
 
 and wherein, 
 Ms denotes a measurement result of the serving cell, 
 Mn denotes a measurement result of a neighboring cell, 
 Ofn denotes a frequency specific offset of a frequency of the neighboring cell, 
 Ocn denotes a cell specific offset of the neighboring cell, 
 Ofs denotes a frequency specific offset of the serving frequency, 
 Ocs denotes a cell specific offset of the serving cell, 
 Hys denotes a hysteresis parameter for a respective event, 
 Off denotes an offset parameter for the respective event, 
 Thresh denotes a threshold parameter for the respective event, 
 Thresh1 denotes a threshold parameter for the respective event, and 
 Thresh2 denotes a threshold parameter for the respective event.